# File lib/rspec/core/metadata.rb, line 5
      def initialize(superclass_metadata=nil)
        @superclass_metadata = superclass_metadata
        if @superclass_metadata
          update(@superclass_metadata)
          example_group = {:example_group => @superclass_metadata[:example_group]}
        end

        store(:example_group, example_group || {})
        store(:behaviour, self[:example_group])
        yield self if block_given?
      end